8049422: Remove @jdk.Exported
Reviewed-by: dfuchs, mchung, darcy, chegar

8139371: Three langtools test failures after the removal of sun.misc.Lock
Reviewed-by: jjg, mchung

8029548: (jdeps) use @jdk.Exported to determine supported vs JDK internal API
8031092: jdeps does not recognize --help option.
8048063: (jdeps) Add filtering capability
Reviewed-by: alanb, dfuchs

8015912: jdeps support to output in dot file format
8026255: Switch jdeps to follow traditional Java option style
Reviewed-by: alanb